Whakaoti mō x
x=5
Graph
Tohaina
Kua tāruatia ki te papatopenga
\sqrt{3x+1}-4-\left(-4\right)=-\left(-4\right)
Me tāpiri 4 ki ngā taha e rua o te whārite.
\sqrt{3x+1}=-\left(-4\right)
Mā te tango i te -4 i a ia ake anō ka toe ko te 0.
\sqrt{3x+1}=4
Tango -4 mai i 0.
3x+1=16
Pūruatia ngā taha e rua o te whārite.
3x+1-1=16-1
Me tango 1 mai i ngā taha e rua o te whārite.
3x=16-1
Mā te tango i te 1 i a ia ake anō ka toe ko te 0.
3x=15
Tango 1 mai i 16.
\frac{3x}{3}=\frac{15}{3}
Whakawehea ngā taha e rua ki te 3.
x=\frac{15}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
x=5
Whakawehe 15 ki te 3.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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